> > > As others have pointed out, OSG is not a game engine. It's a scene graph > and should be used in this context (no pun intended). There are plenty of > rendering technologies that use OSG under the hood. When I went to IITSEC > last year, there were a lot of vendors using OSG underneath for rendering. >
> Being new to OSG, I might miss something but I can’t see the difference > between OSG and Delta3D. > OSG can have several tools (VRPN as does delta3D), audio (osgAudio vs. > openAL for delta3D), physics (osgODE vs. ODE for delta3D), GUI (osgQt), > animation (osgCal & osgAnimation vs. cal3D for Delta3D). > By adding these stuffs, if I am not wrong, is OSG becoming like a full > game engine (equivalent to delta3D)? > Well, many of those projects you cite are not "part of" OSG, rather they are add-ons to OSG. yes, they overlap some capability of D3D, but D3D sort of delivers them as an integrated whole, with a number of additional features as well. > I found even some old discussions between people on the forum > (pro-delta3D) not agreeing, for example, to add audio to osg since this is > scenegraph, etc. > Welcome to Open Source! > What is the difference between these two opensource (I mean, once these > tools added) ? What would be your advice for a newbie to delta3D/OSG ? > If you're writing a simulation game, Delta3D (or FlightGear) offer many helpful features. However, many people prefer to work closer to the metal so to speak, and if they don't find the lack of those features to be an issue for their particular type of game, then they go with plain OSG (and sometimes re-invent some of those features themselves, possibly because they prefer to do it "their way" instead of D3D's way). -- Chris 'Xenon' Hanson, omo sanza lettere. xe...@alphapixel.com http://www.alphapixel.com/ Training • Consulting • Contracting 3D • Scene Graphs (Open Scene Graph/OSG) • OpenGL 2 • OpenGL 3 • OpenGL 4 • GLSL • OpenGL ES 1 • OpenGL ES 2 • OpenCL Digital Imaging • GIS • GPS • Telemetry • Cryptography • Digital Audio • LIDAR • Kinect • Embedded • Mobile • iPhone/iPad/iOS • Android
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